US7014764B2 - Device for receiving and separating chips created by machine-tools and coolant (sealant) - Google Patents

Device for receiving and separating chips created by machine-tools and coolant (sealant) Download PDF

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Publication number
US7014764B2
US7014764B2 US10/492,486 US49248604A US7014764B2 US 7014764 B2 US7014764 B2 US 7014764B2 US 49248604 A US49248604 A US 49248604A US 7014764 B2 US7014764 B2 US 7014764B2
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United States
Prior art keywords
bearing ring
coolant
external
bearing
housing
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Expired - Fee Related, expires
Application number
US10/492,486
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US20040245149A1 (en
Inventor
Leo J. P. Ackermanns
Rimmond H. B. Souren
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Mayfran International BV
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Mayfran International BV
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Assigned to MAYFRAN INTERNATIONAL, B.V. reassignment MAYFRAN INTERNATIONAL, B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ACKERMANNS, LEO J.P., SOUREN, RIMMOND H.B.
Publication of US20040245149A1 publication Critical patent/US20040245149A1/en
Priority to US11/347,891 priority Critical patent/US7485226B2/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1069—Filtration systems specially adapted for cutting liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/801—Driving means, shaft packing systems or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/0057—Devices for removing chips outside the working area
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention relates to a device for receiving and separating chips and coolant collecting on machine tools, the coolant being returned for reuse and the chips being removed, having a receiving tank to receive the chips and the coolant, a rising guide section adjoining the receiving tank, an elevated discharge section adjoining the guide section, a chain-like closed transport element, which, at least in the region receiving the chips and the coolant and in the discharge section, is guided over deflection elements, at least one of which is coupled to a rotary drive, and a rotatably mounted filter drum, which is in drive connection to the transport element.
  • the object of the present invention is therefore, above all, to reduce the wear occurring through axial bearing load and lower the requirements on the elements cooperating in the axial direction in a device of the type initially described.
  • the filter drum has an internal bearing ring on each of its two ends, each of which engages in an external bearing ring so that they rotate together, spring elements, which run parallel to the axis of the filter drum, are provided which are supported on one side on the internal bearing ring and on the other side on the external bearing ring, each of the external bearing rings is seated in a bearing shell, which is fixed to the housing, and is supported on it in the axial direction, and sealing elements are provided between each of the internal bearing rings and the external bearing rings.
  • the spring elements are preferably seated in a bore of the internal bearing ring and act on a face of the respective external bearing ring. Sealing elements between these two bearing rings prevent unfiltered coolant from being able to pass into the clean region by going around the filter.
  • the spring pressure on the external bearing ring is transmitted in the axial direction onto the bearing shell, which is fixed to the housing, i.e., into a zone in which the radial surfaces slide on one another and wear occurs.
  • the spring pressure acting on the external bearing ring causes compensation in the event of this type of wear.
  • each of the external bearing rings forms a labyrinth seal with the bearing shell, which is fixed to the housing.
  • the bearing shell which is fixed to the housing, to be implemented in multiple parts.
  • an annular sealing element may be arranged in the course of the labyrinth seal to further promote sealing.
  • the inner diameter of the internal bearing ring may be tailored to the smallest internal diameter of the external bearing ring and the internal diameter of the filter drum.
  • FIG. 1 shows a schematic side view of a device of the type described here
  • FIG. 2 shows a detail view of a filter drum connected to a scraper chain
  • FIG. 3 shows an axial section through the filter drum
  • FIG. 4 shows a detail view of the bearings of the filter drum shown in FIGS. 2 and 3 ,
  • FIG. 5 shows a detail view of a filter drum connected to a hinged belt conveyor
  • FIG. 6 shows an axial section through the filter drum shown in FIG. 5 ,
  • FIG. 7 shows a detail section concerning the bearings of the filter drum shown in FIGS. 5 and 6 .
  • FIG. 8 shows a detail section of bearing ring and pressure connection.
  • FIG. 1 shows the side view of an embodiment of the device according to the present invention having a receiving tank 1 , which is open on top and receives the chips and coolant collecting on the machine tools.
  • This receiving tank has an overflow edge 2 .
  • a rising guide section 3 which transits into an elevated discharge section 4 , adjoins the receiving tank.
  • a scraper belt guided on both sides by rollers, is provided here as a transport element.
  • This scraper belt is guided around a lower deflection element 6 on the end of receiving tank 1 and runs around an upper deflection element 7 , which is coupled to a drive, not shown, in the region of discharge section 4 .
  • the scraper belt carries scraper elements 9 arranged at intervals, which project downward in the region of the lower conveyor section, i.e., in the direction toward the bottom of receiving tank 1 and/or toward side wall 10 of rising section 3 .
  • the transport direction of scraper belt 5 is indicated by arrow 11 .
  • a filter drum 12 is provided which is rotatably mounted in the housing of the device.
  • the two ends of filter drum 12 are implemented as identical mirror images of one another.
  • Internal bearing ring 13 is connected to external bearing ring 16 in the region of shoulder seat 15 , which ensures that both bearing rings always rotate together, and therefore relative movements do not arise in the region of shoulder seat 15 . Sealing ring 17 is therefore only statically stressed.
  • External element 23 of the bearing shell is connected to an internal element 24 , which, in its radially internal region, has an edge-shaped profile 25 which engages in the angular section of external bearing ring 16 . Therefore, a labyrinth seal, which prevents the escape of unfiltered coolant, is formed on one side by the cooperation of external bearing element 23 and internal bearing element 24 , and external bearing ring 16 with its hook-shaped angular section 22 . This may be encouraged if filtered coolant is passed through the course of the seal in the region of the bearing.
  • External bearing ring 16 is expanded conically toward the outside and its internal diameter is tailored to that of internal bearing ring 13 and the tension of the drum seal.
  • a scraper belt 5 is provided which is guided on both sides via rollers 27 .
  • FIGS. 5 to 7 differs from that previously described only in that a hinged belt conveyor 28 is provided in this case, which is also supported on both edges via rollers 27 .
  • FIG. 8 shows internal bearing ring 13 , which engages via screw 29 in external bearing ring 16 so that they rotate together.
  • the bearing shell which is fixed to the housing, and which is formed from internal bearing element 24 and external bearing element 23 , has a pressure connection 26 , via which the labyrinth seal formed from external bearing ring 16 and the bearing shell, which is fixed to the housing, is washed with filtered coolant.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Filtration Of Liquid (AREA)
  • Compressor (AREA)

Abstract

A device for receiving and separating chips and coolant collecting on machine tools, having a filter drum (12) that has an internal bearing ring (13) on each of its two ends, which each engage in an external bearing ring (16) so that they rotate together, spring elements (19), which run parallel to the axis of the filter drum (12), are provided which are supported on one side on the internal bearing ring (13) and on the other side on the external bearing ring (16), each of the external bearing rings (16) is seated in a bearing shell (23, 24), which is fixed to the housing, and is supported on it in the axial direction, and sealing elements (17) are provided between each of the internal bearing rings (13) and the external bearing rings (16).

Description

The present invention relates to a device for receiving and separating chips and coolant collecting on machine tools, the coolant being returned for reuse and the chips being removed, having a receiving tank to receive the chips and the coolant, a rising guide section adjoining the receiving tank, an elevated discharge section adjoining the guide section, a chain-like closed transport element, which, at least in the region receiving the chips and the coolant and in the discharge section, is guided over deflection elements, at least one of which is coupled to a rotary drive, and a rotatably mounted filter drum, which is in drive connection to the transport element.
The bearings of such a filter drum are also necessarily subjected to axial stress and, as a consequence, are also always subject to wear.
The object of the present invention is therefore, above all, to reduce the wear occurring through axial bearing load and lower the requirements on the elements cooperating in the axial direction in a device of the type initially described.
This object is achieved according to the present invention in that the filter drum has an internal bearing ring on each of its two ends, each of which engages in an external bearing ring so that they rotate together, spring elements, which run parallel to the axis of the filter drum, are provided which are supported on one side on the internal bearing ring and on the other side on the external bearing ring, each of the external bearing rings is seated in a bearing shell, which is fixed to the housing, and is supported on it in the axial direction, and sealing elements are provided between each of the internal bearing rings and the external bearing rings.
Slight tolerance deviations between the internal and external bearing rings may be compensated by the arrangement of spring elements here.
In this case, the spring elements are preferably seated in a bore of the internal bearing ring and act on a face of the respective external bearing ring. Sealing elements between these two bearing rings prevent unfiltered coolant from being able to pass into the clean region by going around the filter. The spring pressure on the external bearing ring is transmitted in the axial direction onto the bearing shell, which is fixed to the housing, i.e., into a zone in which the radial surfaces slide on one another and wear occurs. The spring pressure acting on the external bearing ring causes compensation in the event of this type of wear.
The device according to the present invention may be implemented in such a way that each of the external bearing rings forms a labyrinth seal with the bearing shell, which is fixed to the housing. For this purpose, it is expedient for the bearing shell, which is fixed to the housing, to be implemented in multiple parts. In addition, an annular sealing element may be arranged in the course of the labyrinth seal to further promote sealing.
In addition, it is possible to prevent the escape of unfiltered coolant into the clean region by applying filtered coolant under excess pressure to the seal from the outside, so that escape of unfiltered coolant to the outside, and therefore into the region of the filtered coolant, is counteracted very reliably. Furthermore, this prevents chips, which produce increased wear of the bearing, from being washed into the bearing with the unfiltered coolant penetrating into the bearing.
To prevent deposits in the inside of the filter drum, it may be expedient for the inner diameter of the internal bearing ring to be tailored to the smallest internal diameter of the external bearing ring and the internal diameter of the filter drum.
In the following, several embodiments of the device according to the present invention are described with reference to the drawing.
FIG. 1: shows a schematic side view of a device of the type described here,
FIG. 2: shows a detail view of a filter drum connected to a scraper chain,
FIG. 3: shows an axial section through the filter drum,
FIG. 4: shows a detail view of the bearings of the filter drum shown in FIGS. 2 and 3,
FIG. 5: shows a detail view of a filter drum connected to a hinged belt conveyor,
FIG. 6: shows an axial section through the filter drum shown in FIG. 5,
FIG. 7: shows a detail section concerning the bearings of the filter drum shown in FIGS. 5 and 6, and
FIG. 8: shows a detail section of bearing ring and pressure connection.
FIG. 1 shows the side view of an embodiment of the device according to the present invention having a receiving tank 1, which is open on top and receives the chips and coolant collecting on the machine tools. This receiving tank has an overflow edge 2. A rising guide section 3, which transits into an elevated discharge section 4, adjoins the receiving tank.
A scraper belt, guided on both sides by rollers, is provided here as a transport element. This scraper belt is guided around a lower deflection element 6 on the end of receiving tank 1 and runs around an upper deflection element 7, which is coupled to a drive, not shown, in the region of discharge section 4. The scraper belt carries scraper elements 9 arranged at intervals, which project downward in the region of the lower conveyor section, i.e., in the direction toward the bottom of receiving tank 1 and/or toward side wall 10 of rising section 3. The transport direction of scraper belt 5 is indicated by arrow 11.
A filter drum 12 is provided which is rotatably mounted in the housing of the device. The two ends of filter drum 12 are implemented as identical mirror images of one another.
They have an internal bearing ring 13, which carries filter covering 14 and engages axially outward in a shoulder seat 15 of an external bearing ring 16. Internal bearing ring 13 is therefore partially overlapped by shoulder seat 15 of external bearing ring 16. A sealing ring 17 is provided in the region of this overlap, which prevents unfiltered coolant from passing into the inside of the drum filter in the region of this overlap.
Internal bearing ring 13 is connected to external bearing ring 16 in the region of shoulder seat 15, which ensures that both bearing rings always rotate together, and therefore relative movements do not arise in the region of shoulder seat 15. Sealing ring 17 is therefore only statically stressed.
Multiple bores 18, which run parallel to the axis of drum filter 12, are provided in internal bearing ring 13, in each of which coil springs 19 are seated, which press against face 20 of external bearing ring 16. This has the consequence that external bearing ring 16 performs a pressure against external element 23 of the bearing shells mounted in the housing of the device via angular section 22 provided on its external axial edge. Occurrences of wear must be expected here in the course of time between angular section 22 and external element 23 of the bearing shells. Such occurrences of wear are compensated through the axial pressure performed by coil springs 19 without anything further.
External element 23 of the bearing shell is connected to an internal element 24, which, in its radially internal region, has an edge-shaped profile 25 which engages in the angular section of external bearing ring 16. Therefore, a labyrinth seal, which prevents the escape of unfiltered coolant, is formed on one side by the cooperation of external bearing element 23 and internal bearing element 24, and external bearing ring 16 with its hook-shaped angular section 22. This may be encouraged if filtered coolant is passed through the course of the seal in the region of the bearing. External bearing ring 16 is expanded conically toward the outside and its internal diameter is tailored to that of internal bearing ring 13 and the tension of the drum seal.
In the embodiment illustrated, a scraper belt 5 is provided which is guided on both sides via rollers 27.
The embodiment shown in FIGS. 5 to 7 differs from that previously described only in that a hinged belt conveyor 28 is provided in this case, which is also supported on both edges via rollers 27.
FIG. 8 shows internal bearing ring 13, which engages via screw 29 in external bearing ring 16 so that they rotate together. The bearing shell, which is fixed to the housing, and which is formed from internal bearing element 24 and external bearing element 23, has a pressure connection 26, via which the labyrinth seal formed from external bearing ring 16 and the bearing shell, which is fixed to the housing, is washed with filtered coolant.
LIST OF REFERENCE NUMBERS
  • 1 receiving tank
  • 2 overflow edge
  • 3 guide section
  • 4 discharge section
  • 5 scraper belt
  • 6 deflection element
  • 7 upper deflection element
  • 8 -
  • 9 scraper elements
  • 10 side wall
  • 11 arrow
  • 12 filter drum
  • 13 internal bearing ring
  • 14 filter covering
  • 15 shoulder seat
  • 16 external bearing ring
  • 17 seal
  • 18 bore
  • 19 coil springs
  • 20 face
  • 21 -
  • 22 angular section
  • 23 external bearing element
  • 24 internal bearing element
  • 25 edge-shaped profile
  • 26 pressure connection
  • 27 roller
  • 28 hinged belt conveyor
  • 29 screw

Claims (7)

1. A device for receiving and separating chips and coolant collecting on machine tools, the coolant being returned for reuse and the shavings being removed, comprising:
a receiving tank to receive the chips and the coolant;
a rising guide section adjoining the receiving tank;
an elevated discharge section adjoining the guide section;
a chain-like closed transport element, which, at least in the region receiving the chips and the coolant and in the discharge section, is guided over at least first and second deflection elements, at least one of which is coupled to a rotary drive; and
a filter drum rotatably mounted in a housing, which is in drive connection with the transport element, wherein:
the filter drum comprises an internal bearing ring on each of its two ends, each of which engages in an external bearing ring so that they rotate together;
spring elements, which run parallel to the axis of the filter drum, are provided which are supported on one side on the internal bearing ring and on the other side on the external bearing ring;
each of the external bearing rings is seated in a bearing shell, which is fixed to the housing, and is supported on it in the axial direction; and
sealing elements are provided between each of the internal bearing rings and the external bearing rings.
2. The device according to claim 1, wherein the bearing shell, which is fixed to the housing, comprises multiple parts.
3. The device according to claim 2, wherein each of the external bearing rings forms a labyrinth seal with the bearing shell, which is fixed to the housing.
4. The device according to claim 3, wherein at least one annular sealing element is positioned in the course of each labyrinth seal.
5. The device according to one of claims 1, 2, 3, or 4, wherein the internal diameter of the internal bearing ring is tailored to the smallest internal diameter of the external bearing ring and to the internal diameter of the filter drum.
6. The device according to one of claim 5, wherein the external bearing shell has a pressure connection for supplying filtered coolant to wash the space between the external bearing ring and the bearing shell, which is fixed to the housing.
7. The device according to one of claims 1, 2, 3, or 4, wherein the bearing shell has a pressure connection for supplying filtered coolant to wash the space between the external bearing ring and the bearing shell, which is fixed to the housing.
US10/492,486 2002-05-24 2003-05-19 Device for receiving and separating chips created by machine-tools and coolant (sealant) Expired - Fee Related US7014764B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/347,891 US7485226B2 (en) 2002-05-24 2006-02-06 Device for receiving and separating chips and cooling liquid discharged from machine tools (sealing)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10223294.6 2002-05-24
DE10223294A DE10223294A1 (en) 2002-05-24 2002-05-24 Device for receiving and separating chips and coolant (seal) from machine tools
PCT/EP2003/005244 WO2003099512A1 (en) 2002-05-24 2003-05-19 Device for receiving and separating chips created by machine-tools and coolant (sealant)

Related Child Applications (1)

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US11/347,891 Continuation US7485226B2 (en) 2002-05-24 2006-02-06 Device for receiving and separating chips and cooling liquid discharged from machine tools (sealing)

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US20040245149A1 US20040245149A1 (en) 2004-12-09
US7014764B2 true US7014764B2 (en) 2006-03-21

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US11/347,891 Expired - Fee Related US7485226B2 (en) 2002-05-24 2006-02-06 Device for receiving and separating chips and cooling liquid discharged from machine tools (sealing)

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EP (1) EP1474268B1 (en)
JP (1) JP3994104B2 (en)
KR (1) KR100578019B1 (en)
CN (1) CN1320980C (en)
AT (1) ATE300389T1 (en)
AU (1) AU2003238351A1 (en)
CA (1) CA2452913C (en)
DE (2) DE10223294A1 (en)
ES (1) ES2247542T3 (en)
MX (1) MXPA04000768A (en)
WO (1) WO2003099512A1 (en)

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US20060124523A1 (en) * 2002-05-24 2006-06-15 Ackermanns Leo J P Device for receiving and separating chips and cooling liquid discharged from machine tools (sealing)
US20100012564A1 (en) * 2004-07-02 2010-01-21 Mayfran International B.V. Device for holding and separating chippings and cooling liquid accumulating on machine tools (conveyance)
US20110005985A1 (en) * 2009-07-13 2011-01-13 Deckel Maho Pfronten Gmbh Device for treating cooling lubricants
US8211304B1 (en) 2007-01-13 2012-07-03 Jk Industries, Llc Coolant filtration system and method for metal working machines
US20200078894A1 (en) * 2018-09-07 2020-03-12 Manufacturing Productivity Systems Coolant filtration system
US11628386B2 (en) * 2017-09-13 2023-04-18 Bunri Incorporation Filtration device

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EP2222383B1 (en) * 2007-12-13 2015-02-11 Donald F. Corsaro Filtering apparatus with hinge belt
JP2009166004A (en) * 2008-01-18 2009-07-30 Toyota Motor Corp Filtration device
DE202015102836U1 (en) 2015-06-01 2016-09-06 Heckert Gmbh Device for cooling lubricant supply for machine tools
CN109158303B (en) * 2018-09-28 2021-04-30 蔡敏惠 Automatic change food processing and use intelligent sieving mechanism
CN112676905B (en) * 2021-01-20 2021-09-28 河北北方精艺机械制造有限公司 Chip removal and cooling liquid recovery and filtration system of numerical control machine tool
CN115476195B (en) * 2022-10-09 2025-03-11 张家港市金帆箱柜有限公司 A composite chain plate scraper chip conveyor
TWI869201B (en) * 2024-02-19 2025-01-01 百德機械股份有限公司 Chip separation device

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US7485226B2 (en) 2009-02-03
KR100578019B1 (en) 2006-05-11
US20040245149A1 (en) 2004-12-09
WO2003099512A1 (en) 2003-12-04
EP1474268B1 (en) 2005-07-27
CN1578715A (en) 2005-02-09
JP3994104B2 (en) 2007-10-17
US20060124523A1 (en) 2006-06-15
ES2247542T3 (en) 2006-03-01
EP1474268A1 (en) 2004-11-10
CA2452913A1 (en) 2003-12-04
CN1320980C (en) 2007-06-13
DE50300864D1 (en) 2005-09-01
DE10223294A1 (en) 2003-12-11
MXPA04000768A (en) 2005-02-17
KR20040054661A (en) 2004-06-25
ATE300389T1 (en) 2005-08-15

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